@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;900&display=swap');
:root{--ink:#142d3b;--navy:#123344;--blue:#14536a;--muted:#60717a;--line:#dce5e8;--bg:#f5f8f8;--paper:#fff;--accent:#f2a64b;--accent-dark:#d17b20;--teal:#168c8b;--light:#eaf4f3;--shadow:0 18px 55px rgba(9,44,59,.085);--r:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans','Noto Sans JP',-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.83;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #e1a149;outline-offset:4px}img,svg{max-width:100%}p{margin:0 0 1.2em}h1,h2,h3{letter-spacing:-.035em;line-height:1.48;margin:0}h1{font-size:clamp(2.35rem,5.6vw,4.65rem);font-weight:900}h2{font-size:clamp(1.75rem,3.2vw,2.55rem);font-weight:800}h3{font-size:1.21rem;font-weight:800}strong{font-weight:800}small{font-size:.82rem}.container{width:min(1120px,calc(100% - 48px));margin-inline:auto}.notice{background:#e9f0f2;border-bottom:1px solid #dce8eb;color:#46606a;font-size:.76rem;font-weight:700}.notice .container{padding:5px 0}.header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.95);backdrop-filter:blur(18px);border-bottom:1px solid #e4e9eb}.header-inner{height:76px;display:flex;justify-content:space-between;align-items:center;gap:25px}.brand{display:flex;align-items:center;gap:11px;line-height:1.22;min-width:0}.brand-mark{width:41px;height:41px;flex:none;border-radius:12px;display:grid;place-items:center;background:var(--navy);color:#fff}.brand-title{font-weight:900;letter-spacing:-.06em;font-size:1.03rem}.brand-sub{display:block;color:var(--muted);font-size:.62rem;letter-spacing:.09em;margin-top:3px}.nav{display:flex;gap:22px;align-items:center;font-size:.85rem;font-weight:700}.nav a:not(.button):hover,.footer a:hover{color:var(--teal)}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:54px;border-radius:9px;padding:13px 23px;font-weight:800;font-size:.9rem;border:1px solid transparent;transition:transform .2s,background .2s,box-shadow .2s;cursor:pointer;text-align:center}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--accent);color:#182e38;box-shadow:0 10px 22px rgba(197,124,37,.17)}.button-primary:hover{background:#ffc074;box-shadow:0 12px 25px rgba(197,124,37,.23)}.button-dark{background:#173e4f;color:#fff}.button-outline{background:#fff;border-color:#bed0d6}.button-white{background:#fff;color:#173e4f}.button .arrow{font-size:1.2rem;line-height:1}.menu-toggle{display:none;background:none;border:0;font-size:1.4rem;color:var(--navy);padding:8px;cursor:pointer}.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff}.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 75% 35%,rgba(41,125,137,.34),transparent 50%),linear-gradient(112deg,#102e3f 20%,#153e50 100%)}.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;min-height:620px;gap:30px;padding-top:72px;padding-bottom:86px}.eyebrow{color:var(--teal);font-size:.8rem;letter-spacing:.13em;font-weight:900;margin-bottom:16px;display:block}.hero .eyebrow{color:#a4e0de}.hero h1{margin-bottom:26px}.hero h1 em{font-style:normal;color:#f5b665}.hero-lead{font-size:1.04rem;color:#d1e0e4;max-width:530px;line-height:1.9}.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:28px 0 20px}.hero-note{font-size:.74rem;color:#acc7d0;margin:0}.hero-art{position:relative;min-width:0}.art-frame{border:1px solid rgba(217,243,241,.27);background:rgba(255,255,255,.045);border-radius:24px;padding:13px;box-shadow:0 30px 90px rgba(0,0,0,.15);transform:rotate(-2deg)}.art-frame svg{display:block;width:100%;height:auto}.hero-art .float-label{position:absolute;right:-1%;bottom:5%;background:white;color:#173c4b;border-radius:12px;padding:15px 22px;box-shadow:0 13px 30px rgba(0,0,0,.2);font-size:.75rem;font-weight:700;transform:rotate(2deg)}.float-label b{font-size:1.16rem;display:block;line-height:1.3}.trust-strip{background:#f0f5f5;border-bottom:1px solid #dce8e7}.trust-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:22px 0}.trust-item{display:flex;align-items:center;gap:12px;font-size:.85rem;font-weight:700}.trust-icon{width:38px;height:38px;flex:none;border-radius:50%;background:#d8e9e8;color:#137a7d;display:grid;place-items:center;font-size:1.05rem}.section{padding:104px 0}.section-soft{background:var(--bg)}.section-heading{max-width:770px;margin-bottom:42px}.section-heading p{color:var(--muted);margin-top:17px}.section-heading.center{text-align:center;margin-left:auto;margin-right:auto}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:21px}.feature-card{background:#fff;border:1px solid #e0e8e9;border-radius:var(--r);padding:31px;box-shadow:0 9px 24px rgba(15,46,60,.03)}.feature-card .num{display:block;font-size:.73rem;color:#1d8a87;font-weight:900;letter-spacing:.16em;margin-bottom:26px}.feature-card p,.role-card p,.step p{color:#617680;font-size:.91rem;margin:11px 0 0}.feature-card h3{font-size:1.16rem}.feature-card .symbol{font-size:2.1rem;margin-bottom:17px}.split{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center}.editorial-panel{background:#edf5f4;border-radius:24px;padding:43px;position:relative;overflow:hidden}.editorial-panel:before{content:'';position:absolute;width:270px;height:270px;border:1px solid #c7dbd8;border-radius:50%;right:-140px;top:-150px}.editorial-panel h3{margin-bottom:19px}.check-list{list-style:none;margin:0;padding:0}.check-list li{position:relative;padding:13px 0 13px 31px;border-bottom:1px solid #dceae8;font-size:.93rem}.check-list li:before{content:'✓';position:absolute;left:0;color:var(--teal);font-weight:900}.role-card{display:block;border:1px solid var(--line);border-radius:var(--r);padding:30px;background:#fff;transition:transform .2s,box-shadow .2s,border-color .2s}.role-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#afd2d0}.role-tag{color:#148887;font-size:.73rem;font-weight:800;letter-spacing:.08em}.role-card h3{margin:16px 0 8px}.role-card .more{display:block;margin-top:28px;font-size:.82rem;font-weight:800;color:#117c7c}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step{padding:24px 21px;border-left:2px solid #d7e8e7}.step-num{font-size:2rem;line-height:1;color:#80b9b3;font-weight:800;display:block;margin-bottom:26px}.step h3{font-size:1.06rem}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px}.compare{border-collapse:collapse;width:100%;font-size:.9rem;min-width:590px}.compare th,.compare td{text-align:left;padding:18px 21px;border-bottom:1px solid #e3ebed;vertical-align:top}.compare th{background:#e9f2f1;width:26%;font-weight:800}.compare tr:last-child th,.compare tr:last-child td{border-bottom:0}.faq-list{border-top:1px solid var(--line)}details.faq{border-bottom:1px solid var(--line);padding:3px 0}details.faq summary{cursor:pointer;list-style:none;font-weight:800;padding:21px 34px 21px 0;position:relative}details.faq summary::-webkit-details-marker{display:none}details.faq summary::after{content:'+';font-size:1.55rem;position:absolute;right:2px;top:12px;color:var(--teal);font-weight:400}details.faq[open] summary::after{content:'−'}details.faq .answer{color:#536a74;padding:0 25px 20px 0;font-size:.94rem}.cta-band{background:#143747;color:#fff;border-radius:24px;padding:50px 54px;display:flex;justify-content:space-between;align-items:center;gap:35px}.cta-band h2{font-size:clamp(1.6rem,2.7vw,2.25rem);margin:8px 0 12px}.cta-band p{margin:0;color:#c9dcdf}.fine{color:#6f828b;font-size:.76rem;line-height:1.85}.footer{background:#102b38;color:#dce8eb;padding:68px 0 25px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:50px;padding-bottom:48px}.footer h3{font-size:1rem;margin-bottom:18px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:10px 0;font-size:.85rem}.footer p{color:#bfd0d5;font-size:.84rem}.footer-bottom{border-top:1px solid #34505d;padding-top:22px;color:#a4bdc5;font-size:.75rem;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.page-hero{background:#eef5f4;padding:83px 0 75px;border-bottom:1px solid #dce8e7}.page-hero .container{max-width:1120px}.page-hero h1{font-size:clamp(2.15rem,4.1vw,3.5rem);max-width:880px}.page-hero p{max-width:720px;color:#566d77;margin:20px 0 0}.breadcrumbs{font-size:.77rem;color:#65818b;margin-bottom:27px}.breadcrumbs a{text-decoration:underline;text-underline-offset:4px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:70px;align-items:start}.prose{font-size:1rem;color:#354d58}.prose h2{font-size:1.65rem;margin:55px 0 18px;border-bottom:1px solid var(--line);padding-bottom:15px}.prose h2:first-child{margin-top:0}.prose h3{font-size:1.18rem;margin:32px 0 12px}.prose ul{padding-left:1.25em}.prose li{margin:11px 0}.prose a:not(.button){color:#096f79;text-decoration:underline;text-underline-offset:3px}.toc{position:sticky;top:105px;padding:26px;border:1px solid var(--line);border-radius:16px;background:#fff}.toc h3{font-size:1rem;margin-bottom:14px}.toc a{display:block;font-size:.84rem;padding:8px 0;color:#536f77}.toc a:hover{color:var(--teal)}.info-box{background:#edf5f4;border-left:3px solid #249391;padding:23px 25px;border-radius:0 12px 12px 0;margin:28px 0}.mini-list{display:grid;gap:12px}.mini-list a{padding:14px;border:1px solid var(--line);border-radius:9px;font-size:.9rem;font-weight:700;display:block}.mini-list a:hover{border-color:var(--teal)}.pill{display:inline-block;border-radius:30px;background:#e0efec;color:#177976;font-size:.76rem;font-weight:900;padding:6px 12px}.legal-section{max-width:820px}.legal-section h2{font-size:1.5rem;margin:42px 0 15px}.legal-section p,.legal-section li{color:#455e69}.skip{position:absolute;left:-9999px;top:10px;background:white;color:black;padding:10px;z-index:100}.skip:focus{left:10px}.accent-line{height:3px;width:48px;background:var(--accent);margin:25px 0}.updated{font-size:.75rem;color:#768b94;margin-top:20px}
@media(max-width:1000px){.nav{gap:12px;font-size:.75rem}.header-inner{gap:13px}.hero-grid{min-height:550px}.art-frame{transform:none}.float-label{right:0}.article-layout{gap:30px;grid-template-columns:minmax(0,1fr) 225px}}
@media(max-width:760px){.container{width:min(100% - 36px,560px)}.header-inner{height:66px}.brand-title{font-size:.92rem}.brand-sub{font-size:.55rem}.brand-mark{width:36px;height:36px}.menu-toggle{display:block}.nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;padding:14px 18px 20px;box-shadow:0 20px 22px rgba(0,0,0,.08);border-top:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}.nav.is-open{display:flex}.nav a{padding:12px 5px;font-size:.9rem}.nav .button{margin-top:8px}.hero-grid{grid-template-columns:1fr;padding-top:61px;padding-bottom:58px;gap:35px}.hero h1{font-size:clamp(2.35rem,9vw,3.9rem)}.hero-art{max-width:490px}.hero .hero-lead{font-size:.96rem}.float-label{bottom:-13px}.trust-inner{grid-template-columns:1fr;gap:12px;padding:23px 0}.section{padding:70px 0}.grid-3,.grid-2,.split,.steps{grid-template-columns:1fr}.section-heading{margin-bottom:29px}.feature-card{padding:25px}.feature-card .num{margin-bottom:16px}.split{gap:28px}.editorial-panel{padding:26px}.steps{gap:8px}.step{padding:15px 22px}.step-num{margin-bottom:10px}.cta-band{display:block;padding:34px 27px}.cta-band .button{margin-top:25px;width:100%}.footer-grid{grid-template-columns:1fr;gap:26px}.footer{padding-top:52px}.page-hero{padding:55px 0 50px}.article-layout{grid-template-columns:1fr}.toc{position:static;order:-1}.prose h2{margin-top:36px}.hero-actions .button{width:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* しらべる編集室 公式ロゴ */
.brand-mark-logo{width:52px;height:52px;background:transparent;border-radius:50%;overflow:hidden;display:flex;align-items:center;justify-content:center}.brand-mark-logo img{display:block;width:100%;height:100%;object-fit:contain}.operator-logo-panel{display:flex;align-items:center;gap:22px;padding:22px 26px;border-radius:16px;background:#edf5f7;border:1px solid #dce7eb;margin-bottom:34px}.operator-logo-panel img{width:115px;height:115px;flex:none;object-fit:contain}.operator-logo-panel strong{display:block;font-weight:800;font-size:1.2rem}.operator-logo-panel p{margin:7px 0 0;color:#4a626a}@media(max-width:600px){.brand-mark-logo{width:43px;height:43px}.operator-logo-panel{gap:14px;padding:16px}.operator-logo-panel img{width:76px;height:76px}.operator-logo-panel strong{font-size:1rem}}