@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@400;500;600;700;800&display=swap');
:root{--ink:#173b60;--muted:#667b90;--orange:#005bac;--orange-dark:#004780;--cream:#f2f9fd;--cream2:#eaf4fb;--line:#d6e5f0;--green:#005bac;--max:1160px;--cyan:#21b9d7}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:86px}body{margin:0;color:var(--ink);font-family:'DM Sans','Noto Sans JP',system-ui,sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased;background:white}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}.wrap{width:min(var(--max),calc(100% - 64px));margin-inline:auto}.skip{position:absolute;z-index:30;top:-100px;left:12px;background:white;padding:10px}.skip:focus{top:10px}.site-header{height:86px;background:rgba(255,252,248,.96);backdrop-filter:blur(12px);border-bottom:1px solid #dceaf5;position:sticky;top:0;z-index:20}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.brand{display:inline-flex;gap:9px;align-items:center;line-height:1.08;font-weight:800;letter-spacing:.075em;font-size:24px}.brand small{display:block;font-size:10px;font-weight:500;letter-spacing:.18em;margin-top:5px}.brand-icon{display:grid;place-items:center;border-radius:14px;background:var(--orange);color:white;font-size:27px;width:43px;height:43px}.main-nav{display:flex;align-items:center;gap:27px;font-size:12px;font-weight:700}.main-nav a:not(.nav-contact):hover,.footer-links a:hover{color:var(--orange)}.nav-contact{background:var(--ink);color:white;border-radius:30px;padding:11px 18px;white-space:nowrap}.nav-contact span{margin-left:10px}.nav-toggle{display:none;border:0;background:transparent;padding:10px}.nav-toggle span{display:block;width:24px;height:2px;margin:5px;background:var(--ink)}.hero{background:var(--cream);overflow:hidden}.hero-grid{display:grid;grid-template-columns:53% 47%;min-height:650px;align-items:center}.hero-content{padding:58px 0 40px;z-index:2}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.08em;display:flex;gap:10px;align-items:center}.eyebrow-dot{height:9px;width:9px;background:var(--orange);border-radius:50%}.hero h1{font-size:clamp(43px,5vw,73px);line-height:1.35;letter-spacing:.035em;margin:30px 0 20px;font-weight:800}.hero h1 em,h2 em{font-style:normal;color:var(--orange)}.hero-lead{font-size:15px;line-height:2.2;color:#59635b}.hero-actions{display:flex;align-items:center;gap:29px;margin-top:32px}.btn{display:inline-flex;justify-content:space-between;align-items:center;gap:28px;padding:15px 26px;border-radius:40px;font-weight:700;font-size:14px;transition:transform .2s,background .2s}.btn:hover{transform:translateY(-2px)}.btn.primary{background:var(--orange);color:white;box-shadow:0 10px 25px #ef6b4b26}.btn.primary:hover{background:var(--orange-dark)}.btn.text-btn{padding-inline:0}.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:37px}.hero-tags span{border:1px solid #d2e7f5;background:#ffffff;border-radius:30px;font-size:11px;padding:5px 11px;color:#607a90}.hero-art{height:590px;position:relative;isolation:isolate;display:grid;place-items:center}.hero-halo{position:absolute;border-radius:50%;z-index:-2}.halo-one{width:540px;height:540px;background:#d9effa;right:-54px;top:15px}.halo-two{width:425px;height:425px;border:2px dashed #a0d5eb;right:7px;top:74px}.phone{width:259px;height:500px;transform:rotate(11deg) translate(0,7px);background:#193e61;border:8px solid #153755;border-radius:39px;padding:6px;box-shadow:28px 32px 42px #52483e2c,-8px -7px 0 #5a7792;position:relative}.phone-speaker{position:absolute;top:10px;left:50%;transform:translateX(-50%);width:77px;height:16px;background:#153755;border-radius:0 0 14px 14px;z-index:1}.phone-screen{height:100%;border-radius:27px;background:linear-gradient(145deg,#e1f5fa,#f2f9ff 65%);padding:16px;position:relative;overflow:hidden}.screen-upper{display:flex;justify-content:space-between;font-size:9px;font-weight:800}.screen-sun{font-size:108px;color:#21b9d7;line-height:1.4;text-align:center;opacity:.66}.screen-hello{font-size:18px;line-height:1.9;text-align:center;font-weight:700}.screen-hello strong{letter-spacing:.12em;font-size:22px;color:var(--orange)}.screen-card{margin-top:28px;border-radius:18px;background:#fff;padding:14px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 8px 20px #a5cce833;font-size:12px;font-weight:700}.card-arrow{width:29px;height:29px;display:grid;place-items:center;background:var(--orange);color:white;border-radius:50%}.screen-bottom{display:flex;justify-content:space-around;font-size:22px;color:#54b9d3;margin-top:27px}.art-sticker{position:absolute;z-index:2;padding:19px 22px;border-radius:17px;box-shadow:0 12px 27px #72685e21;font-size:13px;line-height:1.6}.art-sticker b{font-size:20px}.sticker-one{top:80px;left:-1px;transform:rotate(-8deg);background:#fff;color:var(--green)}.sticker-one span{font-size:22px;color:var(--orange);position:absolute;top:9px;right:14px}.sticker-two{right:-12px;bottom:85px;transform:rotate(7deg);background:var(--green);color:white}.sticker-two b{display:block;text-align:right;color:#b5f3ff}.art-corner{position:absolute;right:0;top:10px;color:#76b4d0;font-size:12px;letter-spacing:.15em}.hero-bottom{display:flex;align-items:center;gap:16px;padding:0 0 28px;font-size:10px;font-weight:700;color:#789bb5;letter-spacing:.1em}.hero-divider{width:48px;height:1px;background:#aac7dd}.section{padding:110px 0}.section-kicker{font-weight:800;letter-spacing:.16em;color:var(--orange);font-size:12px}.section h2{font-size:clamp(30px,3.65vw,48px);line-height:1.55;letter-spacing:.035em;margin:13px 0 20px;font-weight:800}.section-intro{max-width:800px}.section-intro>p{max-width:660px;color:var(--muted);font-size:15px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}.feature-card{background:#f2f7fc;border-radius:22px;padding:29px 31px 30px;min-height:285px}.feature-num{font-size:11px;color:#86a5bb;font-weight:800}.feature-emoji{color:var(--orange);font-size:53px;font-weight:700;line-height:1.8}.feature-card h3{font-size:18px;margin:4px 0 7px}.feature-card p{font-size:13px;color:var(--muted);margin:0;line-height:1.95}.section-head{display:flex;justify-content:space-between;align-items:end;gap:35px;margin-bottom:42px}.section-head>p{font-size:14px;color:var(--muted);margin-bottom:26px}.plans-section{background:#f3f9fe}.plans-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.plan-card{background:#fff;border:1px solid #dceaf5;padding:35px 40px;border-radius:23px;box-shadow:0 12px 35px #3a719010}.plan-card.featured{border:2px solid var(--orange);padding:34px 39px}.plan-top{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--orange);letter-spacing:.16em;font-weight:800}.plan-symbol{font-size:23px}.recommended{letter-spacing:0;color:#fff;background:var(--orange);padding:5px 12px;border-radius:20px;font-size:11px}.plan-card h3{font-size:28px;margin:20px 0 4px}.plan-desc{margin:0 0 29px;color:var(--muted);font-size:13px}.plan-line{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:18px 0 11px}.plan-line>span{font-size:14px;font-weight:700}.plan-line strong{font-size:36px;letter-spacing:-.04em;line-height:1.4}.plan-line small{font-weight:700;font-size:12px}.plan-link{display:flex;justify-content:space-between;border-radius:30px;border:1px solid #b6d3e8;padding:13px 20px;margin-top:25px;font-size:13px;font-weight:700}.plan-link:hover{border-color:var(--orange);color:var(--orange)}.fee-note{display:flex;gap:16px;align-items:start;padding:24px 26px;background:#e2f3fb;border-radius:15px;margin-top:26px}.fee-note-icon{width:25px;height:25px;border-radius:50%;background:var(--orange);color:white;text-align:center;line-height:25px;font-weight:700;flex:none}.fee-note strong{font-size:15px}.fee-note p{font-size:12px;line-height:1.9;margin:5px 0 0;color:#5a738b}.small-print{font-size:11px;line-height:1.9;color:#648095}.payment-section{background:var(--green);color:white;padding:50px 0}.payment-inner{display:grid;grid-template-columns:106px 1fr 180px;gap:30px;align-items:center}.payment-icon{width:100px;height:100px;background:#ffffff18;border-radius:50%;display:grid;place-items:center;font-size:48px;position:relative}.payment-icon span{position:absolute;font-size:23px;right:17px;top:9px}.payment-section .section-kicker{color:#a9eefa}.payment-section h2{font-size:36px;margin:5px 0}.payment-section h2 em{color:#a9eefa}.payment-section p{font-size:13px;color:#e4f5ff;max-width:690px;margin:0}.payment-chip{text-align:center;border:1px solid #ffffff65;border-radius:14px;padding:13px 15px;font-size:13px}.payment-chip strong{font-size:17px}.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.steps-grid article{padding:20px 15px 12px 0;border-top:1px solid var(--line);position:relative}.steps-grid article:not(:last-child):after{content:'→';position:absolute;right:8px;top:55px;color:#79b8d9;font-size:20px}.steps-grid article>span{font-size:11px;font-weight:800;color:var(--orange);letter-spacing:.12em}.step-symbol{margin:18px 0 16px;font-size:42px;letter-spacing:-.06em;font-weight:800;color:#94c6e3}.steps-grid h3{font-size:18px;margin:0 0 9px}.steps-grid p{font-size:13px;line-height:1.95;color:var(--muted);margin:0}.steps-action{display:flex;align-items:center;gap:22px;margin-top:42px}.steps-action>span{font-size:12px;color:var(--muted)}.download-section{background:var(--cream)}.downloads-grid{display:grid;grid-template-columns:1fr 1fr;gap:21px}.download-card{background:#fff;border:1px solid #dceaf5;border-radius:20px;padding:32px 36px}.file-tag{font-size:11px;font-weight:800;letter-spacing:.13em;color:var(--orange)}.doc-illustration{display:grid;place-items:center;width:70px;height:76px;background:#e8f7ff;border:2px solid #b0dbea;border-radius:8px;color:var(--orange);font-size:48px;margin-top:16px}.download-card h3{font-size:25px;margin:17px 0 4px}.download-card p{color:var(--muted);font-size:13px;min-height:46px}.download-actions{display:grid;gap:10px;margin-top:24px}.download-actions a{padding:13px 19px;background:#eaf3fa;border-radius:30px;font-weight:700;font-size:13px;display:flex;justify-content:space-between}.download-actions a:first-child{background:var(--orange);color:white}.download-actions a:hover{filter:brightness(.96)}.important-warning{border-left:4px solid #dcb07b;background:#fff9eb;padding:20px 25px;margin-top:22px;border-radius:3px 12px 12px 3px}.important-warning strong{font-size:14px}.important-warning p{color:#6a6a5e;font-size:12px;margin:6px 0 0}.promise-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}.promise-grid p{max-width:450px;color:var(--muted);font-size:15px}.promise-visual{height:330px;border-radius:22px;background:#b2e7f6;position:relative;overflow:hidden;display:grid;place-items:center}.promise-visual:after{content:'';width:370px;height:370px;border:2px solid #ffffff65;border-radius:50%;position:absolute;right:-100px;bottom:-180px}.promise-spark{position:absolute;font-size:160px;top:-65px;left:5px;color:#def8ff}.promise-quote{font-size:27px;font-weight:800;line-height:1.85;z-index:1;padding:25px}.promise-deco{position:absolute;bottom:17px;right:23px;font-size:10px;letter-spacing:.17em;color:#fff}.faq-section{background:#f7fbff}.narrow{max-width:850px}.accent-dot{color:var(--orange)}.faq-list{margin-top:35px;border-top:1px solid #dce8f2}.faq-list details{border-bottom:1px solid #dce8f2;padding:0 8px}.faq-list summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;font-size:16px;font-weight:700;padding:22px 0}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'+';color:var(--orange);font-size:26px;font-weight:400;margin-left:20px}.faq-list details[open] summary:after{content:'−'}.faq-list p{font-size:14px;color:var(--muted);margin:0 0 24px}.contact-section{background:#fff}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}.contact-grid>div:first-child>p{font-size:14px;color:var(--muted);max-width:450px}.contact-tel{display:block;font-size:clamp(28px,3.6vw,45px);font-weight:800;margin-top:30px;white-space:nowrap}.contact-tel span{font-size:19px;color:var(--orange)}.contact-hours{font-size:13px;color:var(--muted)}.contact-info{background:#f0f7fc;border-radius:20px;padding:30px 35px}.contact-info>div{padding:16px 0;border-bottom:1px solid #d8e7f2}.contact-info>div:first-child{padding-top:0}.contact-info>div>span{display:block;font-size:11px;color:var(--orange);font-weight:800;letter-spacing:.07em;margin-bottom:5px}.contact-info strong,.contact-info a{font-size:17px;font-weight:700;overflow-wrap:anywhere}.contact-info p{margin:5px 0 0;font-size:12px}.contact-note{font-size:11px;color:var(--muted);margin-top:16px}.site-footer{background:#103756;color:#fff;padding:37px 0 22px}.footer-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:32px}.footer-links{display:flex;gap:25px;font-size:12px}.footer-bottom{border-top:1px solid #ffffff2b;display:flex;justify-content:space-between;gap:20px;padding-top:19px;color:#ffffff9c;font-size:11px}
@media(max-width:900px){.wrap{width:min(var(--max),calc(100% - 40px))}.site-header{height:72px}.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#f5fbff;box-shadow:0 14px 25px #1b517b13;padding:22px 25px 28px;flex-direction:column;align-items:stretch;gap:17px}.main-nav.open{display:flex}.main-nav a{font-size:14px}.hero-grid{grid-template-columns:1fr 1fr;min-height:570px}.hero h1{font-size:48px}.hero-art{height:510px;transform:scale(.82);transform-origin:center}.feature-grid{gap:12px}.feature-card{padding:23px}.contact-grid{gap:35px}.payment-inner{grid-template-columns:75px 1fr}.payment-icon{width:70px;height:70px;font-size:36px}.payment-chip{grid-column:2;justify-self:start}.steps-grid{grid-template-columns:repeat(2,1fr);row-gap:34px}.steps-grid article:nth-child(2):after{content:none}}
@media(max-width:650px){.wrap{width:calc(100% - 36px)}.brand{font-size:20px}.brand-icon{width:38px;height:38px;font-size:24px}.hero-grid{display:flex;flex-direction:column;align-items:stretch}.hero-content{padding:47px 0 5px}.hero h1{font-size:clamp(39px,9vw,55px);margin:22px 0}.hero-lead{font-size:13px;line-height:2}.hero-lead br{display:none}.hero-actions{gap:15px;flex-wrap:wrap}.btn{padding:14px 20px;font-size:13px;gap:20px}.hero-tags{margin-top:23px}.hero-art{height:380px;width:100%;transform:scale(.72);margin:-8px 0}.hero-bottom{padding-bottom:22px}.section{padding:70px 0}.section h2{font-size:33px}.section-head{display:block;margin-bottom:26px}.section-head>p{font-size:13px;margin:12px 0 0}.feature-grid,.plans-grid,.downloads-grid,.promise-grid,.contact-grid{grid-template-columns:1fr}.feature-grid{margin-top:30px}.feature-card{min-height:auto}.feature-emoji{line-height:1.3}.plan-card,.plan-card.featured{padding:25px}.plan-line strong{font-size:31px}.payment-section{padding:45px 0}.payment-inner{display:block}.payment-icon{margin-bottom:18px}.payment-section h2{font-size:32px}.payment-chip{margin-top:24px;display:inline-block}.steps-grid{gap:22px}.steps-grid article{padding-right:4px}.steps-grid article:after{display:none}.steps-grid h3{font-size:16px}.steps-grid p{font-size:12px}.step-symbol{font-size:33px;margin:10px 0}.steps-action{align-items:stretch;flex-direction:column;gap:10px}.steps-action .btn{justify-content:center}.download-card{padding:27px}.promise-grid{gap:25px}.promise-visual{height:270px}.promise-quote{font-size:22px}.faq-list summary{font-size:14px}.contact-tel{font-size:32px}.contact-info{padding:22px}.footer-top,.footer-bottom{flex-direction:column;align-items:start}.footer-links{flex-wrap:wrap;gap:12px 20px;margin-top:22px}.footer-bottom{gap:5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* HELPHONE公式ロゴとブランドカラー */
.brand{display:inline-flex;align-items:center;gap:0;flex:none}
.brand-logo{display:block;width:106px;height:76px;object-fit:contain;object-position:left center}
.site-footer .brand-logo{width:102px;height:74px;filter:brightness(0) invert(1)}
.site-header{background:rgba(249,253,255,.97);border-bottom-color:#d8eaf5}
.hero{background:linear-gradient(118deg,#f4fbff 0%,#e8f5fb 100%)}
.halo-one{background:#d9f0fb}.halo-two{border-color:#9bd7eb}
.phone-screen{background:linear-gradient(145deg,#d8f5ff,#f5fbff 68%)}
.screen-sun{color:#21b9d7}.screen-bottom{color:#45a8ca}
.hero-tags span{border-color:#c7e5f3;color:#466f8f}
.btn.primary{box-shadow:0 10px 25px #005bac25}
.promise-visual{background:linear-gradient(135deg,#7ed3ee,#ccecfb)}
.payment-section .section-kicker,.payment-section h2 em{color:#b2f4ff}
@media(max-width:650px){.brand-logo{width:83px;height:61px}.site-footer .brand-logo{width:100px;height:73px}}