:root{
  --mint:#2BB891;
  --mint-soft:#A8E6CF;
  --mint-wash:#F0FAF6;
  --ink:#1A1A1A;
  --ink-2:#3A3A3A;
  --ink-3:#6B6B6B;
  --ink-4:#9A9A9A;
  --rule:#EAEAEA;
  --rule-2:#F2F2F2;
  --bg:#FFFFFF;
  --radius-card:20px;
  --radius-icon:26%;
  --max: 680px;
  --max-wide: 1080px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);}
html{scroll-behavior:smooth}
body{
  font-family: "Noto Sans JP", "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.01em;
  font-feature-settings: "palt";
}
::selection{background:var(--mint-soft);color:var(--ink)}

/* Nav */
.nav{
  position: sticky; top:0; z-index:50;
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  background: rgba(255,255,255,0.78);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.nav.scrolled{ border-bottom-color: var(--rule-2); }
.nav-inner{
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 14px 24px;
  display:flex; align-items:center; justify-content:space-between;
}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--ink)}
.brand-icon{ width:28px; height:28px; border-radius:26%; display:block; }
.brand-name{ font-weight:600; font-size:15px; letter-spacing:0.02em;}
.brand-name .en{ font-family:"Inter",sans-serif; color:var(--ink-4); margin-left:6px; font-weight:500;}
.nav-cta{
  font-size: 13px; color: var(--ink-2); text-decoration:none;
  padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--rule);
  transition: all .15s ease;
}
.nav-cta:hover{ border-color: var(--mint); color: var(--mint);}

/* Layout helpers */
.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 24px;}
.wrap-wide{ max-width: var(--max-wide); margin: 0 auto; padding: 0 24px;}
section{ padding: 120px 0; }
@media (max-width: 640px){ section{ padding: 88px 0; } }

/* Reveal on scroll */
.reveal{ opacity:0; transform: translateY(14px); transition: opacity .9s ease, transform .9s ease;}
.reveal.in{ opacity:1; transform: none;}

/* HERO */
.hero{
  min-height: 100vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center;
  padding: 120px 24px 80px;
}
@media (max-width: 640px){
  .hero{
    min-height: auto;
    padding: 88px 24px 56px;
  }
}
.hero-icon{
  width: 132px; height: 132px; border-radius: var(--radius-icon);
  box-shadow: 0 20px 60px -20px rgba(43,184,145,0.35), 0 2px 8px rgba(0,0,0,0.04);
  margin-bottom: 56px;
}
@media (min-width: 720px){ .hero-icon{ width:150px; height:150px;} }
@media (max-width: 640px){
  .hero-icon{ width: 108px; height: 108px; margin-bottom: 32px; }
}
h1.hero-title{
  font-weight: 600;
  font-size: clamp(32px, 6vw, 60px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 0 0 28px;
  max-width: 18ch;
  text-wrap: balance;
}
@media (max-width: 640px){
  h1.hero-title{ margin-bottom: 20px; }
}
.hero-sub{
  color: var(--ink-3);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 2;
  max-width: 34ch;
  margin: 0 auto 48px;
  font-weight: 400;
  text-wrap: pretty;
}
@media (max-width: 640px){
  .hero-sub{ margin-bottom: 32px; line-height: 1.85; }
}
.hero-cta{ display:flex; flex-direction:column; align-items:center; gap: 18px;}
.price-line{
  font-size: 13px; color: var(--ink-4); letter-spacing: 0.04em;
  font-family: "Inter","Noto Sans JP", sans-serif;
}

/* App Store badge (official) */
.appstore-link{
  display: inline-block;
  line-height: 0;
  transition: opacity .15s ease;
}
.appstore-link:hover{ opacity: 0.82; }
.appstore-badge{
  display: block;
  width: 180px;
  height: auto;
}
@media (max-width: 640px){
  .appstore-badge{ width: 160px; }
}

/* Download button (original design, not Apple badge) */
.dl-btn{
  display:inline-flex; align-items:center; gap:12px;
  background: var(--ink);
  color: #fff;
  padding: 14px 26px 14px 22px;
  border-radius: 14px;
  text-decoration:none;
  transition: transform .15s ease, background .15s ease;
  font-family: "Inter","Noto Sans JP",sans-serif;
}
.dl-btn:hover{ transform: translateY(-1px); background:#000;}
.dl-btn svg{ flex:0 0 auto;}
.dl-btn .dl-lines{ display:flex; flex-direction:column; align-items:flex-start; line-height:1.2;}
.dl-btn .sm{ font-size:10px; opacity:.75; letter-spacing:0.08em; text-transform:uppercase;}
.dl-btn .lg{ font-size:17px; font-weight:500; letter-spacing:0.01em;}

/* Eyebrow */
.eyebrow{
  font-family: "Inter","Noto Sans JP",sans-serif;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mint);
  font-weight: 500;
  margin-bottom: 20px;
}

/* Section titles */
h2{
  font-weight: 600;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.45;
  letter-spacing: -0.005em;
  margin: 0 0 24px;
  text-wrap: balance;
}
.section-intro{
  color: var(--ink-3);
  font-size: 17px;
  line-height: 2;
  max-width: 36ch;
  text-wrap: pretty;
}
.centered{ text-align:center; }
.centered .section-intro{ margin-left:auto; margin-right:auto;}

/* Empathy section */
.empathy-list{
  list-style:none; padding:0; margin: 64px 0 0;
  display:flex; flex-direction:column;
}
.empathy-list li{
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 400;
  line-height: 1.9;
  color: var(--ink-2);
  padding: 36px 0;
  border-top: 1px solid var(--rule-2);
  text-wrap: pretty;
}
.empathy-list li:last-child{ border-bottom: 1px solid var(--rule-2); }
.empathy-list li .num{
  display:inline-block;
  font-family: "Inter", sans-serif;
  font-size: 12px;
  color: var(--mint);
  letter-spacing: 0.12em;
  margin-right: 18px;
  vertical-align: middle;
  font-weight:500;
}

/* Core value — phone on right */
.core{ padding: 120px 0;}
.core-grid{
  display:grid; gap: 80px; align-items:center;
  grid-template-columns: 1fr;
}
/* On mobile/tablet, force title (.core-copy) above image regardless of DOM order */
@media (max-width: 959px){
  .core-grid .core-copy{ order: 0; }
  .core-grid > div:not(.core-copy){ order: 1; }
}
@media (min-width: 960px){
  .core-grid{ grid-template-columns: 1fr 1fr; gap: 100px;}
}
.core-copy .section-intro{ max-width: 32ch; }
.phone-shot{
  display:block; width: 100%; max-width: 360px; margin: 0 auto;
  border-radius: 32px;
  /* image already includes phone bezel; add a soft shadow */
  filter: drop-shadow(0 30px 60px rgba(43,184,145,0.18)) drop-shadow(0 10px 20px rgba(0,0,0,0.05));
}

/* Features — 3 column */
.features{
  display:grid; gap: 56px;
  grid-template-columns: 1fr;
  margin-top: 72px;
}
@media (min-width: 820px){
  .features{ grid-template-columns: repeat(3, 1fr); gap: 48px;}
}
.feat{ text-align: left;}
.feat-icon{
  width: 36px; height: 36px; margin-bottom: 22px;
  color: var(--mint);
}
.feat h3{
  font-size: 18px; font-weight: 600; margin: 0 0 10px;
  letter-spacing: 0.005em;
}
.feat p{
  color: var(--ink-3); font-size: 15px; line-height: 1.9; margin: 0;
  text-wrap: pretty;
}

/* Privacy */
.privacy{
  background: var(--mint-wash);
  border-radius: 28px;
  padding: 88px 32px;
  text-align:center;
  margin: 0 24px;
}
.privacy-wrap{ max-width: 560px; margin: 0 auto;}
.privacy-icon{
  width:40px; height:40px; margin: 0 auto 28px; color: var(--mint);
  display:block;
}
.privacy h2{ margin-bottom: 20px;}
.privacy .section-intro{ margin-left:auto; margin-right:auto;}
.tech-note{
  margin-top: 36px;
  font-family: "Inter","Noto Sans JP",sans-serif;
  font-size: 12px;
  color: var(--ink-4);
  letter-spacing: 0.08em;
}
.data-table{
  margin: 48px 0 28px;
  text-align: left;
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(43,184,145,0.18);
  overflow: hidden;
}
.data-row{
  display:flex; align-items:flex-start; justify-content:space-between;
  gap: 24px;
  padding: 24px 24px;
  border-bottom: 1px solid var(--rule-2);
}
.data-row:last-child{ border-bottom: none;}
.data-title{ font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 4px;}
.data-desc{ font-size: 13px; color: var(--ink-3); line-height: 1.7;}
.data-where{ text-align: right; flex-shrink: 0;}
.badge{
  display: inline-block;
  font-family: "Inter","Noto Sans JP",sans-serif;
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.04em;
  padding: 5px 10px;
  border-radius: 999px;
  margin-bottom: 6px;
}
.badge-local{ background: var(--mint); color: #fff;}
.badge-cloud{ background: #fff; color: var(--mint); border: 1px solid var(--mint);}
.badge-deletable{ background: var(--mint-wash); color: var(--mint); margin-left: 6px;}
.data-tech{ font-size: 11px; color: var(--ink-4); letter-spacing: 0.06em; font-family: "Inter","Noto Sans JP",sans-serif;}
.privacy-note{
  font-size: 13px; color: var(--ink-3); line-height: 1.9;
  max-width: 44ch; margin: 0 auto;
  text-wrap: pretty;
}
@media (max-width: 520px){
  .data-row{ flex-direction: column; align-items: flex-start; gap: 12px;}
  .data-where{ text-align: left;}
}

/* Story */
.story{ max-width: 620px; }
.story h2{ margin-bottom: 48px;}
.story p{
  font-size: 16px; line-height: 2.1; color: var(--ink-2);
  margin: 0 0 28px; text-wrap: pretty;
}
.story .sign{
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--rule-2);
  font-family: "Inter","Noto Sans JP",sans-serif;
  font-size: 14px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}
.story .sign .en{ color: var(--ink-4); margin-right: 10px;}

/* Pricing */
.pricing{ text-align:center;}
.pricing-title{ margin-bottom: 16px; }
.pricing-sub{ margin: 0 auto 56px; }
.price{
  font-family: "Inter","Noto Sans JP",sans-serif;
  font-size: clamp(48px, 8vw, 80px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 24px 0 16px;
}
.price .per{ font-size: 0.35em; color: var(--ink-3); font-weight:400; letter-spacing: 0.02em; margin-left: 4px;}
.trial{ color: var(--ink-4); font-size: 13px; margin: 32px 0 0; letter-spacing: 0.04em;}

.plans{
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 760px;
  margin: 0 auto;
  text-align: left;
}
@media (min-width: 720px){
  .plans{ grid-template-columns: 1fr 1fr; gap: 24px; }
}
.plan{
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 20px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
}
.plan-pro{
  border-color: var(--mint);
  box-shadow: 0 20px 50px -28px rgba(43,184,145,0.45);
  background: linear-gradient(180deg, #fff 0%, var(--mint-wash) 140%);
}
.plan-head{ margin-bottom: 28px; }
.plan-name{
  font-family: "Inter","Noto Sans JP",sans-serif;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ink-3);
  margin-bottom: 14px;
}
.plan-pro .plan-name{ color: var(--mint); }
.plan-price{ display:flex; align-items: baseline; gap: 4px;}
.plan-price .amount{
  font-family: "Inter","Noto Sans JP",sans-serif;
  font-size: 44px;
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink);
}
.plan-price .per{ font-size: 14px; color: var(--ink-3); font-weight: 400;}
.plan-tag{ font-size: 12px; color: var(--ink-4); margin-top: 10px; letter-spacing: 0.04em;}
.plan-list{
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}
.plan-list li{
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
  padding-left: 24px;
  position: relative;
}
.plan-list li::before{
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 14px; height: 8px;
  border-left: 1.5px solid var(--mint);
  border-bottom: 1.5px solid var(--mint);
  transform: rotate(-45deg);
}
.plan-list strong{ font-weight: 600; color: var(--ink); }
.plan-cta{
  display: block;
  text-align: center;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 14px 20px;
  border-radius: 12px;
  letter-spacing: 0.02em;
  transition: all .15s ease;
}
.plan-cta-ghost{
  border: 1px solid var(--rule);
  color: var(--ink-2);
  background: #fff;
}
.plan-cta-ghost:hover{ border-color: var(--mint); color: var(--mint);}
.plan-cta-solid{
  background: var(--mint);
  color: #fff;
}
.plan-cta-solid:hover{ background: #25a682; }

/* FAQ */
.faq{ max-width: 680px;}
.faq h2{ text-align: center; margin-bottom: 56px;}
details{
  border-top: 1px solid var(--rule-2);
  padding: 0;
}
details:last-of-type{ border-bottom: 1px solid var(--rule-2);}
summary{
  list-style: none;
  cursor: pointer;
  padding: 28px 40px 28px 4px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  line-height: 1.7;
  transition: color .15s ease;
}
summary::-webkit-details-marker{ display:none;}
summary::after{
  content: "";
  position: absolute;
  right: 8px; top: 50%;
  width: 12px; height: 12px;
  border-right: 1.5px solid var(--ink-3);
  border-bottom: 1.5px solid var(--ink-3);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .25s ease;
}
details[open] summary::after{ transform: translateY(-30%) rotate(-135deg);}
summary:hover{ color: var(--mint);}
.faq-body{
  padding: 0 4px 32px;
  color: var(--ink-3);
  font-size: 15px;
  line-height: 2;
  text-wrap: pretty;
}

/* Footer */
footer{
  border-top: 1px solid var(--rule-2);
  padding: 64px 24px 80px;
  text-align:center;
}
.foot-brand{ display:inline-flex; align-items:center; gap:10px; margin-bottom: 28px;}
.foot-brand img{ width:22px; height:22px; border-radius: 26%;}
.foot-brand span{ font-size:13px; color: var(--ink-3); font-weight:500;}
.foot-links{ display:flex; justify-content:center; flex-wrap:wrap; gap: 24px; margin-bottom: 24px;}
.foot-links a{ color: var(--ink-3); text-decoration:none; font-size: 13px;}
.foot-links a:hover{ color: var(--mint);}
.foot-meta{ font-size: 12px; color: var(--ink-4); letter-spacing: 0.04em; font-family:"Inter","Noto Sans JP",sans-serif; margin-bottom: 24px;}
.disclaimer{
  max-width: 520px; margin: 0 auto;
  font-size: 11px; color: var(--ink-4);
  line-height: 1.9;
}